Trial By Error: More Questions About CODES Trial of CBT for Seizures



By David Tuller, DrPH I have recently written about CODES, the high-profile clinical trial investigating whether cognitive behavior therapy (CBT) could reduce the frequency of dissociative seizures, also known as  psychogenic non-epileptic seizures. The trial, published by Lancet Psychiatry, was an open-label study relying on self-reported outcomes–a design highly vulnerable to bias. The 368 participants […]



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